Home / 1,871,606.80-2,804,785.80-1,645,908.40

Finding the Fourth Proportional to 1,871,606.80, 2,804,785.80 and 1,645,908.40

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Solution

The fourth proportional to 1,871,606.80, 2,804,785.80 and 1,645,908.40 is: 2,466,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,606.80 : 2,804,785.80 = 1,645,908.40 : x
  2. Step 2: Convert to fraction form
    1,871,606.80/2,804,785.80 = 1,645,908.40/x
  3. Step 3: Cross multiply
    1,871,606.80x = 2,804,785.80 × 1,645,908.40
  4. Step 4: Simplify right side
    1,871,606.80x = 4,616,420,508,420.72
  5. Step 5: Solve for x
    x = 4,616,420,508,420.72/1,871,606.80
  6. Step 6: Final answer
    x = 2,466,554.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.